添加项目文件。
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fuenmao
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// Copyright (c) 2022-Now 少林寺驻北固山办事处大神父王喇嘛
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//
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// SimpleAdmin 基于 Apache License Version 2.0 协议发布，可用于商业项目，但必须遵守以下补充条款:
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// 1.请不要删除和修改根目录下的LICENSE文件。
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// 2.请不要删除和修改SimpleAdmin源码头部的版权声明。
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// 3.分发源码时候，请注明软件出处 https://gitee.com/dotnetmoyu/SimpleAdmin
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// 4.基于本软件的作品，只能使用 SimpleAdmin 作为后台服务，除外情况不可商用且不允许二次分发或开源。
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// 5.请不得将本软件应用于危害国家安全、荣誉和利益的行为，不能以任何形式用于非法为目的的行为。
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// 6.任何基于本软件而产生的一切法律纠纷和责任，均于我司无关。
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using System.Linq.Dynamic.Core;
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using SimpleAdmin.Application.Entity;
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using Yitter.IdGenerator;
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public class MedicinalService : DbRepository<Medicinal>, IMedicinalService
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{
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private readonly ISysUserService _sysUserService;
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private readonly IDictService _dictService;
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public MedicinalService(ISysUserService sysUserService, IDictService dictService)
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{
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_sysUserService = sysUserService;
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_dictService = dictService;
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}
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public async Task<SqlSugarPagedList<MedicinalDto>> GetMedicinalList(string medicinalName, int page, int size)
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{
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// 1. 获取数据范围（原有逻辑不变）
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//var dataScope = await _sysUserService.GetLoginUserApiDataScope();
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//dataScope?.Remove(UserManager.OrgId);
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// 2. 分页查询药材基本信息（1次查询，原有逻辑不变）
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var query = this.AsQueryable()
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//.WhereIF(dataScope.Any(), m => dataScope.Contains(m.Id))
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.WhereIF(!string.IsNullOrEmpty(medicinalName), m => m.MedicinalName.Contains(medicinalName))
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.OrderBy(p => p.Number)
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.Select(m => new MedicinalDto
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{
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Id = m.Id,
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MedicinalName = m.MedicinalName,
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Stock = m.Number, // 当前库存
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});
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var pageInfo = await query.ToPagedListAsync(page, size);
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if (!pageInfo.List.Any()) return pageInfo;
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// 3. 批量计算：成本、剩余价值、总使用量（仅2次查询，无循环查询）
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var medicinalIds = pageInfo.List.Select(dto => dto.Id).ToList();
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var costAndUsageDict = await BatchCalculateCostAndValue(medicinalIds);
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// 4. 内存中赋值所有指标（无数据库查询）
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foreach (var item in pageInfo.List)
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{
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if (costAndUsageDict.TryGetValue(item.Id, out var metrics))
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{
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item.UsedCost = metrics.usedCost; // 使用成本
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item.RemainingValue = metrics.remainingValue; // 剩余价值
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item.TotalUsedWeight = metrics.totalUsedWeight; // 新增：总使用量
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}
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else
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{
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// 无数据时默认值
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item.UsedCost = 0;
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item.RemainingValue = 0;
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item.TotalUsedWeight = 0;
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}
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}
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return pageInfo;
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}
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/// <summary>
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/// 获取药材下拉
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/// </summary>
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/// <returns></returns>
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public async Task<List<MedicinalDto>> GetMedicinalDictList()
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{
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////获取数据范围
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//var dataScope = await _sysUserService.GetLoginUserApiDataScope();
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//dataScope?.Remove(UserManager.OrgId);
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//药材查询
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return await this.AsQueryable()
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//.WhereIF(dataScope.Any(), m => dataScope.Contains(m.Id)) //机构ID查询
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.OrderBy(p => p.Number)
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.Select(m => new MedicinalDto
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{
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Id = m.Id,
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MedicinalName = m.MedicinalName,
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Stock = m.Number,
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}).ToListAsync();
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}
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/// <summary>
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/// 获取药材消耗记录
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/// </summary>
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/// <param name="medicinalId"></param>
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/// <returns></returns>
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/// <summary>
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public async Task<SqlSugarPagedList<MedicinalConsumptionRecordDto>> GetConsumptionRecords(long medicinalId, int page, int size)
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{
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return await Context.Queryable<PrescriptionHerb>()
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// 先关联处方
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.LeftJoin<Prescription>((ph, p) => ph.PrescriptionId == p.Id)
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// 再关联就诊人
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.LeftJoin<Person>((ph, p, pe) => p.PersonId == pe.Id)
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// 再关联员工
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.LeftJoin<Person>((ph, p, pe, emp) => pe.EmployeeId != null && pe.EmployeeId == emp.Id)
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// 条件也使用多参数
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.Where((ph, p, pe, emp) => ph.MedicinalId == medicinalId)
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.OrderByDescending((ph, p, pe, emp) => p.VisitDate)
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// 投影使用所有表别名
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.Select((ph, p, pe, emp) => new MedicinalConsumptionRecordDto
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{
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AmountG = ph.AmountG,
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PersonName = pe.Name,
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IsRelative = pe.EmployeeId != null,
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EmployeeName = emp == null ? null : emp.Name,
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UseTime = p.VisitDate
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})
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// 分页
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.ToPagedListAsync(page, size);
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}
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/// <summary>
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/// 获取药材添加记录
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/// </summary>
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/// <param name="medicinalId"></param>
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/// <returns></returns>
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public async Task<SqlSugarPagedList<MedicinalAddLogDto>> GetAdditionRecords(long medicinalId, int page, int size)
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{
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var returnList = await Context.Queryable<MedicinalAddLog>()
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.Where(log => log.MedicinalId == medicinalId)
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.OrderByDescending(dto => dto.CreateTime)
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.Select(log => new MedicinalAddLogDto
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{
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Id = log.Id,
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AddWeight = log.AddWeight,
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UnitPrice = log.UnitPrice,
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AddTime = log.CreateTime.Value,
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AddUserName = log.CreateUser,
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TotalPrice = log.TotalPrice,
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CanEdit = false
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})
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.ToPagedListAsync(page, size);
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foreach (var item in returnList.List)
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{
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if (item.AddTime.Date == DateTime.Now.Date)
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{
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item.CanEdit = true;
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}
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}
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return returnList;
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}
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/// <summary>
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/// 添加药材
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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public async Task<bool> AddMedicinal(AddMedicinalInput input)
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{
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if (input.TotalPrice <= 0 || input.AddWeight <= 0) throw Oops.Bah("请填写正确的金额或者重量！");
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// 开启事务
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await Context.Ado.BeginTranAsync();
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try
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{
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// 检查药材是否已存在
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var existing = await Context.Queryable<Medicinal>()
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.Where(m => m.Id == input.Id)
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.FirstAsync();
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if (existing != null)
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{
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// 更新库存
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existing.Number += input.AddWeight;
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await Context.Updateable(existing).ExecuteCommandAsync();
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}
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else
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{
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var medicinalModel = await Context.Queryable<Medicinal>()
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.Where(m => m.MedicinalName == input.MedicinalName)
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.FirstAsync();
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if (medicinalModel != null) throw Oops.Bah("已存在该药材，请在下拉框选择！");
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input.Id = YitIdHelper.NextId();
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// 新增药材记录
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await Context.Insertable(new Medicinal
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{
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Id = input.Id.Value,
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Number = input.AddWeight,
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MedicinalName = input.MedicinalName,
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}).ExecuteCommandAsync();
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}
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decimal unitPrice = 0m;
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if (input.AddWeight > 0)
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{
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unitPrice = Decimal.Round(input.TotalPrice / input.AddWeight, 2, MidpointRounding.AwayFromZero);
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}
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// 添加记录
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await Context.Insertable(new MedicinalAddLog
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{
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MedicinalId = input.Id.Value,
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AddWeight = input.AddWeight,
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UnitPrice = unitPrice,
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TotalPrice = input.TotalPrice
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}).ExecuteCommandAsync();
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await Context.Ado.CommitTranAsync();
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}
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catch
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{
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await Context.Ado.RollbackTranAsync();
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throw;
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}
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return true;
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}
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/// <summary>
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/// 修改药材添加记录
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/// </summary>
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/// <param name="id"></param>
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/// <param name="input"></param>
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/// <returns></returns>
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/// <exception cref="Exception"></exception>
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public async Task<bool> UpdateAdditionRecord(UpdateMedicinalAddLogInput input)
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{
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if(input.TotalPrice<=0 || input.AddWeight<=0) throw Oops.Bah("请填写正确的金额或者重量！");
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var log = await Context.Queryable<MedicinalAddLog>().Where(l => l.Id == input.Id).FirstAsync();
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if (log == null)
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{
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throw Oops.Bah("记录不存在！");
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}
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// 检查是否是当天记录
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if (log.CreateTime.Value.Date != DateTime.Now.Date)
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{
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throw Oops.Bah("只能修改当天的记录！");
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}
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// 计算重量变化
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var weightDiff = input.AddWeight - log.AddWeight;
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// 开启事务
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await Context.Ado.BeginTranAsync();
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try
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{
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// 更新记录
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log.AddWeight = input.AddWeight;
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log.TotalPrice = input.TotalPrice;
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log.UnitPrice = Decimal.Round(input.TotalPrice / input.AddWeight, 2, MidpointRounding.AwayFromZero);
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await Context.Updateable(log).ExecuteCommandAsync();
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// 更新药材库存
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var medicinal = await Context.Queryable<Medicinal>()
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.Where(m => m.Id == log.MedicinalId)
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.FirstAsync();
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if (medicinal != null)
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{
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medicinal.Number += weightDiff;
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if(medicinal.Number<0) throw Oops.Bah("无法修改，库存不足！");
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await Context.Updateable(medicinal).ExecuteCommandAsync();
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}
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await Context.Ado.CommitTranAsync();
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}
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catch
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{
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await Context.Ado.RollbackTranAsync();
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throw;
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}
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return true;
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}
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/// <summary>
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/// 删除药材添加记录
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/// </summary>
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/// <param name="id"></param>
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/// <returns></returns>
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/// <exception cref="Exception"></exception>
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public async Task<bool> DeleteAdditionRecord(long id)
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{
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var log = await Context.Queryable<MedicinalAddLog>().Where(l => l.Id == id).FirstAsync();
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if (log == null)
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{
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throw Oops.Bah("记录不存在！");
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}
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// 检查是否是当天记录
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if (log.CreateTime.Value.Date != DateTime.Now.Date)
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{
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throw Oops.Bah("只能删除当天的记录！");
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}
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// 开启事务
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await Context.Ado.BeginTranAsync();
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try
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{
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// 删除记录
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log.IsDelete = true;
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await Context.Updateable(log).ExecuteCommandAsync();
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// 更新药材库存
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var medicinal = await Context.Queryable<Medicinal>()
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.Where(m => m.Id == log.MedicinalId)
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.FirstAsync();
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if (medicinal != null)
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{
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medicinal.Number -= log.AddWeight;
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if(medicinal.Number<0) throw Oops.Bah("无法删除，库存不足！");
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await Context.Updateable(medicinal).ExecuteCommandAsync();
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}
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await Context.Ado.CommitTranAsync();
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}
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catch
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{
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await Context.Ado.RollbackTranAsync();
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throw;
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}
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return true;
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}
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/// <summary>
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/// 批量计算：使用成本、剩余价值、总使用量（先进先出法）
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/// </summary>
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/// <param name="medicinalIds">需要计算的药材ID列表</param>
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private async Task<Dictionary<long, (
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decimal usedCost,//预估花费
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decimal remainingValue,//预估剩余价值
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decimal totalUsedWeight//使用总量
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)>> BatchCalculateCostAndValue(List<long> medicinalIds)
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{
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var result = new Dictionary<long, (decimal, decimal, decimal)>();
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if (!medicinalIds.Any()) return result;
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// 1. 批量查询所有药材的【当前库存】（1次查询）
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var medicinals = await Context.Queryable<Medicinal>()
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.Where(m => medicinalIds.Contains(m.Id))
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.Select(m => new { m.Id, m.Number }) // Number = 当前库存
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.ToListAsync();
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// 2. 批量查询所有药材的【入库记录】（1次查询，仅查需要的字段）
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var allAddLogs = await Context.Queryable<MedicinalAddLog>()
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.Where(l => medicinalIds.Contains(l.MedicinalId))
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.OrderBy(l => l.CreateTime) // 先进先出：按入库时间排序
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.Select(l => new {
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l.MedicinalId,
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l.AddWeight, // 入库量
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l.UnitPrice, // 单价（用于计算成本）
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l.TotalPrice // 总成本（用于计算成本）
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})
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.ToListAsync();
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// 3. 按【药材ID】分组入库记录（内存处理，无数据库查询）
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var groupedLogs = allAddLogs
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.GroupBy(l => l.MedicinalId)
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.ToDictionary(g => g.Key, g => g.ToList());
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// 4. 遍历每个药材，内存中计算所有指标
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foreach (var med in medicinals)
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{
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// 初始化默认值（无入库记录时）
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decimal totalIn = 0; // 总入库量（AddWeight 总和）
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decimal totalCost = 0; // 总入库成本
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decimal totalUsedWeight = 0; // 总使用量
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decimal usedCost = 0; // 使用成本
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decimal remainingValue = 0;// 剩余价值
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// 若有入库记录，计算总入库量、总成本
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if (groupedLogs.TryGetValue(med.Id, out var addLogs) && addLogs.Any())
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{
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totalIn = addLogs.Sum(l => l.AddWeight); // 总入库量 = 所有 AddWeight 求和
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totalCost = addLogs.Sum(l => l.TotalPrice); // 总入库成本
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}
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// 计算总使用量：总入库量 - 当前库存（若结果为负，说明数据异常，按0处理）
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totalUsedWeight = Math.Max(0, totalIn - med.Number);
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// 若有使用量，继续用先进先出法计算使用成本
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if (totalUsedWeight > 0 && groupedLogs.TryGetValue(med.Id, out var validLogs))
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{
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decimal remainingToCalculate = totalUsedWeight;
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foreach (var log in validLogs)
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{
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if (remainingToCalculate <= 0) break;
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// 当前入库记录的量 <= 剩余未计算的使用量：全部计入成本
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if (log.AddWeight <= remainingToCalculate)
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{
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usedCost += log.AddWeight * log.UnitPrice;
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remainingToCalculate -= log.AddWeight;
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}
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// 当前入库记录的量 > 剩余未计算的使用量：仅计算剩余部分
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else
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{
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usedCost += remainingToCalculate * log.UnitPrice;
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remainingToCalculate = 0;
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}
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}
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}
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// 剩余价值 = 总入库成本 - 使用成本（若为负，按0处理）
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remainingValue = Math.Max(0, totalCost - usedCost);
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// 存入结果字典
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result[med.Id] = (usedCost, remainingValue, totalUsedWeight);
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}
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return result;
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}
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}
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Reference in New Issue
Block a user